Not sure it's the right place ?

[Henri Girard]

Hi all,
First thank you for jupyterlab, it's exactly what i looking for !
Ubuntu 16.04 working fine with it, even better because some jupyter kernels don't work properly but jupyterlab is doing it. Only one thing I can't get : I use a lot sagemath sage -n=jupyter but I can't get it in jupyterlab ?
Apparently python2 works fine but I don't see python3 or it's not working with qutip as python2 does. I set up both the same way sudo -H pip and pip3, no error at installation, but it's not really a problem as python2 is working, julia too, octave too, vpython too.
I wonder too how to split windows (vertical) if possible to see different kernels.
It's really excellent : I edit a py files I select it all and I make a new one in jupyterlab and run it !
Really a good job :)
Regards
Henri

[Thomas Kluyver]

On 19 August 2016 at 08:10, Henri Girard <henri....@gmail.com> wrote:

Apparently python2 works fine but I don't see python3

Did you install the kernel specs? http://ipython.readthedocs.io/en/stable/install/kernel_install.html

If you don't do that, it will only show you the Python version Jupyter is running on.

[Henri Girard]

I just did it. Effectivly it shows both version, but python3 doesn't find import qutip.
It had another problem : scipy was not imported too but from scipy import *, does it.

[Thomas Kluyver]

On 19 August 2016 at 16:02, Henri Girard <henri....@gmail.com> wrote:

I just did it. Effectivly it shows both version, but python3 doesn't find import qutip.

Is qutip definitely installed in both versions? You typically have to install Python packages separately in each version of Python you use.

[Henri Girard]

That's what I get from a python3 console

python2 qt.run() works fine

Type "help", "copyright", "credits" or "license" for more information.
>>> import qutip.testing as qt
Traceback (most recent call last):
  File "<stdin>", line 1, in <module>
  File "/home/pi/git/qut/qutip/qutip/__init__.py", line 214, in <module>
    from qutip.qobj import *
  File "/home/pi/git/qut/qutip/qutip/qobj.py", line 60, in <module>
    from qutip.ptrace import _ptrace
  File "/home/pi/git/qut/qutip/qutip/ptrace.py", line 38, in <module>
    from qutip.sparse import sp_reshape
  File "/home/pi/git/qut/qutip/qutip/sparse.py", line 44, in <module>
    import scipy.sparse.linalg as spla
  File "/usr/lib/python3/dist-packages/scipy/sparse/linalg/__init__.py", line 112, in <module>
    from .isolve import *
  File "/usr/lib/python3/dist-packages/scipy/sparse/linalg/isolve/__init__.py", line 6, in <module>
    from .iterative import *
  File "/usr/lib/python3/dist-packages/scipy/sparse/linalg/isolve/iterative.py", line 10, in <module>
    from scipy._lib.decorator import decorator
ImportError: No module named 'scipy._lib.decorator'
>>>

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[Henri Girard]

I pip3 install scipy --upgrade and it's working now

Le vendredi 19 août 2016 09:10:13 UTC+2, Henri Girard a écrit :